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editor_edit_groups.cc

/*
    Copyright (C) 2000 Paul Davis 

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#include <cstdlib>
#include <cmath>

#include <gtkmm2ext/stop_signal.h>
#include <gtkmm2ext/gtk_ui.h>
#include <ardour/route_group.h>

#include "editor.h"
#include "keyboard.h"
#include "marker.h"
#include "time_axis_view.h"
#include "prompter.h"
#include "gui_thread.h"

#include <ardour/route.h>

#include "i18n.h"

using namespace sigc;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;

void
Editor::build_edit_group_list_menu ()
{
      using namespace Gtk::Menu_Helpers;

      edit_group_list_menu = new Menu;
      edit_group_list_menu->set_name ("ArdourContextMenu");
      MenuList& items = edit_group_list_menu->items();

      items.push_back (MenuElem (_("Activate All"), mem_fun(*this, &Editor::activate_all_edit_groups)));
      items.push_back (MenuElem (_("Disable All"), mem_fun(*this, &Editor::disable_all_edit_groups)));
      items.push_back (SeparatorElem());
      items.push_back (MenuElem (_("Add group"), mem_fun(*this, &Editor::new_edit_group)));
      
}

void
Editor::activate_all_edit_groups ()
{
        Gtk::TreeModel::Children children = group_model->children();
      for(Gtk::TreeModel::Children::iterator iter = children.begin(); iter != children.end(); ++iter) {
              (*iter)[group_columns.is_active] = true;
      }
}

void
Editor::disable_all_edit_groups ()
{
        Gtk::TreeModel::Children children = group_model->children();
      for(Gtk::TreeModel::Children::iterator iter = children.begin(); iter != children.end(); ++iter) {
              (*iter)[group_columns.is_active] = false;
      }
}

void
Editor::new_edit_group ()
{
      session->add_edit_group ("");
}

void
Editor::remove_selected_edit_group ()
{
      Glib::RefPtr<TreeSelection> selection = edit_group_display.get_selection();
      TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();

      if (rows.empty()) {
            return;
      }

      TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
      TreeIter iter;
      
      /* selection mode is single, so rows.begin() is it */

      if ((iter = group_model->get_iter (*i))) {

            RouteGroup* rg = (*iter)[group_columns.routegroup];

            if (rg) {
                  session->remove_edit_group (*rg);
            }
      }
}

void
Editor::edit_group_list_button_clicked ()
{
      new_edit_group ();
}

gint
Editor::edit_group_list_button_press_event (GdkEventButton* ev)
{
      if (Keyboard::is_context_menu_event (ev)) {
            if (edit_group_list_menu == 0) {
                  build_edit_group_list_menu ();
            }
            edit_group_list_menu->popup (1, ev->time);
            return true;
      }


        RouteGroup* group;
      TreeIter iter;
      TreeModel::Path path;
      TreeViewColumn* column;
      int cellx;
      int celly;

      if (!edit_group_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
            return false;
      }

      switch (GPOINTER_TO_UINT (column->get_data (X_("colnum")))) {
      case 0:
            if (Keyboard::is_edit_event (ev)) {
                  if ((iter = group_model->get_iter (path))) {
                        if ((group = (*iter)[group_columns.routegroup]) != 0) {
                              // edit_route_group (group);
#ifdef GTKOSX
                              edit_group_display.queue_draw();
#endif
                              return true;
                        }
                  }
                  
            } 
            break;

      case 1:
            if ((iter = group_model->get_iter (path))) {
                  bool active = (*iter)[group_columns.is_active];
                  (*iter)[group_columns.is_active] = !active;
#ifdef GTKOSX
                  edit_group_display.queue_draw();
#endif
                  return true;
            }
            break;
            
      case 2:
            if ((iter = group_model->get_iter (path))) {
                  bool visible = (*iter)[group_columns.is_visible];
                  (*iter)[group_columns.is_visible] = !visible;
#ifdef GTKOSX
                  edit_group_display.queue_draw();
#endif
                  return true;
            }
            break;

      default:
            break;
      }
      
      return false;
 }

void 
Editor::edit_group_row_change (const Gtk::TreeModel::Path& path,const Gtk::TreeModel::iterator& iter)
{
      RouteGroup* group;

      if (in_edit_group_row_change) {
            return;
      }

      if ((group = (*iter)[group_columns.routegroup]) == 0) {
            return;
      }

      if ((*iter)[group_columns.is_visible]) {
            for (TrackViewList::iterator j = track_views.begin(); j != track_views.end(); ++j) {
                  if ((*j)->edit_group() == group) {
                        show_track_in_display (**j);
                  }
            }
      } else {
            for (TrackViewList::iterator j = track_views.begin(); j != track_views.end(); ++j) {
                  if ((*j)->edit_group() == group) {
                        hide_track_in_display (**j);
                  }
            }
      }

      bool active = (*iter)[group_columns.is_active];
      group->set_active (active, this);


      string name = (*iter)[group_columns.text];

      if (name != group->name()) {
            group->set_name (name);
      }
}

void
Editor::add_edit_group (RouteGroup* group)
{
        ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::add_edit_group), group));
      bool focus = false;

      TreeModel::Row row = *(group_model->append());
      row[group_columns.is_active] = group->is_active();
      row[group_columns.is_visible] = !group->is_hidden();

      in_edit_group_row_change = true;

      row[group_columns.routegroup] = group;

      if (!group->name().empty()) {
            row[group_columns.text] = group->name();
      } else {
            row[group_columns.text] = _("unnamed");
            focus = true;
      }

      group->FlagsChanged.connect (bind (mem_fun(*this, &Editor::group_flags_changed), group));

      if (focus) {
            TreeViewColumn* col = edit_group_display.get_column (0);
            CellRendererText* name_cell = dynamic_cast<CellRendererText*>(edit_group_display.get_column_cell_renderer (0));
            edit_group_display.set_cursor (group_model->get_path (row), *col, *name_cell, true);
      }

      in_edit_group_row_change = false;
}

void
Editor::edit_groups_changed ()
{
      ENSURE_GUI_THREAD (mem_fun (*this, &Editor::edit_groups_changed));

      /* just rebuild the while thing */

      group_model->clear ();

      {
            TreeModel::Row row;
            row = *(group_model->append());
            row[group_columns.is_active] = false;
            row[group_columns.is_visible] = true;
            row[group_columns.text] = (_("-all-"));
            row[group_columns.routegroup] = 0;
      }

      session->foreach_edit_group (mem_fun (*this, &Editor::add_edit_group));
}

void
Editor::group_flags_changed (void* src, RouteGroup* group)
{
        ENSURE_GUI_THREAD(bind (mem_fun(*this, &Editor::group_flags_changed), src, group));

      in_edit_group_row_change = true;

        Gtk::TreeModel::Children children = group_model->children();
      for(Gtk::TreeModel::Children::iterator iter = children.begin(); iter != children.end(); ++iter) {
            if (group == (*iter)[group_columns.routegroup]) {
                  (*iter)[group_columns.is_active] = group->is_active();
                  (*iter)[group_columns.is_visible] = !group->is_hidden();
                  (*iter)[group_columns.text] = group->name();
            }
      }

      in_edit_group_row_change = false;
}

void
Editor::edit_group_name_edit (const Glib::ustring& path, const Glib::ustring& new_text)
{
      RouteGroup* group;
      TreeIter iter;
      
      if ((iter = group_model->get_iter (path))) {
      
            if ((group = (*iter)[group_columns.routegroup]) == 0) {
                  return;
            }
            
            if (new_text != group->name()) {
                  group->set_name (new_text);
            }
      }
}

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